Question

Calcule as expressões:

A)(-1/2)elevado a 2+3/4

B)(-3/2)elevado a 2 +3×(-1/2)elevado a 3

Answer 1

A) (-1/2)²+3/4=

+1/4+3/4=

4/4= 1

B) (-3/2)²+3 × (-1/2)³=

+9/4 + 3× (-1/8)=

9/4 - 3/8=

18-3/8=

15/8